ZyXEL Communications M-102 Podręcznik Użytkownika Pobierz pdf (Strona 37)

ZyXEL M-102 User’s Guide

Figure 2-7 WPA/WPA2 with RADIUS Application Example

2.3 Fragmentation Threshold

The Fragmentation Threshold is the maximum data fragment size (between 256 and 2432 bytes) that can

be sent in the wireless network before the ZyXEL M-102 will fragment the packet into smaller data frames.

A large Fragmentation Threshold is recommended for networks not prone to interference while you

should set a smaller threshold for busy networks or networks that are prone to interference.

If the Fragmentation Threshold value is smaller than the RTS/CTS Threshold value (see previously)

you set then the RTS (Request To Send)/CTS (Clear to Send) handshake will never occur as data frames

will be fragmented before they reach RTS/CTS Threshold size.

2.4 RTS/CTS Threshold

A hidden node occurs when two stations are within range of the same access point, but are not within range

of each other. The following figure illustrates a hidden node. Both stations are within range of the access

point (AP) or wireless gateway, but out-of-range of each other, so they cannot “hear” each other, that is

they do not know if the channel is currently being used. Therefore, they are considered hidden from each

other.

WLAN Networking 2-9

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ZyXEL Communications M-102 Podręcznik Użytkownika Strona 37